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Finding the Fourth Proportional to 365,480.67, 504,160.85 and 212,501.96

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Solution

The fourth proportional to 365,480.67, 504,160.85 and 212,501.96 is: 293,134.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,480.67 : 504,160.85 = 212,501.96 : x
  2. Step 2: Convert to fraction form
    365,480.67/504,160.85 = 212,501.96/x
  3. Step 3: Cross multiply
    365,480.67x = 504,160.85 × 212,501.96
  4. Step 4: Simplify right side
    365,480.67x = 107,135,165,196.95
  5. Step 5: Solve for x
    x = 107,135,165,196.95/365,480.67
  6. Step 6: Final answer
    x = 293,134.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.